138778740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{770993}}^1$

素因数の和:771008

約数の個数: 36

約数和(自身を含む): 420962724

約数和(自身を除く): 282183984

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 770993, 1541986, 2312979, 3083972, 3854965, 4625958, 6938937, 7709930, 9251916, 11564895, 13877874, 15419860, 23129790, 27755748, 34694685, 46259580, 69389370, 138778740]

約数ペア:

[(1, 138778740), (2, 69389370), (3, 46259580), (4, 34694685), (5, 27755748), (6, 23129790), (9, 15419860), (10, 13877874), (12, 11564895), (15, 9251916), (18, 7709930), (20, 6938937), (30, 4625958), (36, 3854965), (45, 3083972), (60, 2312979), (90, 1541986), (180, 770993)]